Significant Snowfall for Washington Cascades and Northern Rocky Mountains

A cold front will linger for several days from the Pacific Northwest to portions of the northern Plains early this week. Cold temperatures and copious moisture will combine to produce several feet of snow into the mountain passes, with up to 4 feet of snow down to 4000 feet in the northern Rockies. Travel through mountain passes will be very difficult.
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Last Update: 713 AM EST Mon Dec 18 2017

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Marquette, MI Local Forecast Office

24NM W Ontonagon MI

Marine Zone Forecast

/613 AM CST Mon Dec 18 2017/ ...GALE WARNING IN EFFECT FROM TUESDAY MORNING THROUGH TUESDAY EVENING...
Early This Morning
Southwest wind 15 to 20 knots. Cloudy. Waves 2 to 4 feet.
Today
Southwest wind 15 to 20 knots. Mostly cloudy. Patchy fog early. A slight chance of rain showers by mid afternoon. Waves subsiding to 2 to 3 feet, then building to 3 to 5 feet occasionally to 7 feet.
Tonight
Southwest wind 15 to 25 knots veering west 20 to 25 knots by midnight. Gale force gusts up to 34 knots. Patchy fog through the night. Rain showers possibly mixed with snow showers through the night. Waves building to 5 to 8 feet occasionally to 10 feet.
Tuesday
West wind up to 30 knots with gale force gusts up to 40 knots. Mostly cloudy. A chance of snow showers possibly mixed with rain showers in the morning, then a chance of snow showers in the afternoon. Waves building to 8 to 11 feet occasionally to 14 feet.
Tuesday Night
Northwest wind up to 30 knots diminishing to 10 to 20 knots after midnight. Gale force gusts up to 37 knots. Mostly cloudy with a chance of snow showers. Waves subsiding to 2 to 4 feet.
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Last Update: 713 AM EST Mon Dec 18 2017
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